<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="initial-scale=1, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0" />
    <title>下拉刷新+无限加载</title>
    <style>
        html,
        body {
            margin: 0;
            padding: 0;
            height: 100%;
            background: #dadada;
        }

        header {
            height: 44px;
            line-height: 44px;
            text-align: center;
            background: #da020c;
            color: #fff;
        }

        header>a {
            height: 34px;
            line-height: 34px;
            position: absolute;
            top: 5px;
            left: 10px;
        }

        h1 {
            margin: 0;
            padding: 0;
            font-size: 18px;
            font-weight: normal;
        }

        #wrapper {
            position: absolute;
            top: 44px;
            bottom: 0;
            width: 100%;
        }

        #scroller {
            margin: 0;
            padding: 0;
        }

        .item {
            height: 60px;
            line-height: 60px;
            border-bottom: 1px solid #ddd;
            text-indent: 1em;
            background: #fff;
        }

        .jroll-infinite-tip {
            height: 44px;
            line-height: 44px;
            text-align: center;
        }
    </style>
    <script src="/js/jroll.js"></script>
    <script src="/js/jroll-pulldown.js"></script>
    <script src="/js/jroll-infinite.js"></script>
</head>

<body>
<header>
    <h1>下拉刷新+无限加载</h1>
    <a onclick="javascript:history.back()">&lt;返回</a>
</header>
<div id="wrapper">
    <div id="scroller"></div>
</div>

<script>
    //模拟ajax
    function ajax(parms) {
        var a = [],
            i;
        var page = parms.url.replace("getData.do?page=", "");
        for (i = 1; i <= 20; i++) {
            a.push({
                "index": i + (page - 1) * 20,
                "text": "下拉刷新+无限加载"
            });
        }
        setTimeout(function() {
            parms.success(a);
        }, 800);
    }

    var jroll = new JRoll("#wrapper", {
        scrollBarY: true
    });

    //下拉刷新
    jroll.pulldown({
        refresh: function(complete) {
            jroll.options.page = 1;
            jroll.scrollTo(0, 44, 0, true);  //滚回顶部
            ajax({
                url: "getData.do?page=" + 1,
                success: function(data) {
                    complete();
                    jroll.scroller.innerHTML = "";    //清空内容
                    jroll.infinite_callback(data);
                }
            });
        },
        textLoading:"正在努力加载"
    });

    //无限加载
    jroll.infinite({
        getData: function(page, callback) { //获取数据的函数，必须传递一个数组给callback
            ajax({
                url: "getData.do?page=" + page,
                success: function(data) {
                    callback(data);
                }
            });
        },
        compile: function(text) {
            return template.compile(text);
        },
        template: "<div class='item'>{{index}}、{{text}}</div>" //每条数据模板
    });
</script>
</body>

</html>